Wine Grape Sorting


Our WineGrapeTek grape sorter removes MOG (Material Other than Grapes) — stems, jacks, shot berry and other types of foreign material including raisins. Automated MOG sorting with WECO’s optical sorting system results in a higher throughput and lower labor requirements.

See Our Wine Grape Sorting Machine in Action

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WineGrapeTek Wine Grape Sorter

WECO’s optical sorter for grapes uses the latest ChromaxHD optical sorting technology and advanced algorithms to efficiently remove under- and over-ripe fruit and foreign material (MOG). These features ensure vastly improved quality with increased throughput at a fraction of the price of alternative methods. Our system is also designed to be easy to understand and operate, employing intuitive controls and a touch-screen interface refined over the last 30 years.

Our wine grape sorter’s automation offers tremendous gains in productivity and labor efficiency.

Multi-Camera System Advantages

  • WECO designs and manufactures our camera/illuminator systems in-house specifically for high-speed sorting, which keeps costs low.
  • To maximize viewing of product flow, we divide the product flow into sections, which allows us to scale machines to nearly any width while maintaining a near flat-field, low-distortion image. For example, we use four cameras for a 32”-wide sorter.
  • Our resolution is superior. Using four cameras to view 32” of product flow offers four times the lateral pixels as a single camera viewing the entire 32” of product flow.
  • The lower the light level, the less accurate the sort. Splitting the product flow for viewing by multiple cameras provides a flatter image and higher signal levels.
  • Each ChromaxHD camera module utilizes two high-speed DSP processors. A 32” machine has 8 processors running in parallel, which enables real-time complex sort algorithms. This reduces system cost and increases reliability.
  • If a camera fails, the remaining cameras continue to sort. Since the cameras are modular, replacement is accomplished easily in the field without requiring recalibration.